数据中继卫星系统低轨卫星轨道位置速度简化计算方法

LEO Satellite Position and Velocity Simplified Calculating Method in Data Relay Satellite Systems

利用低轨卫星6根轨道参数在混合地心系建立微分方程,简化计算卫星位置和速度矢量,算法适用于硬件资源有限的星载控制器。通过实际应用表明,性能和精度满足指标要求,可在数据中继卫星系统中使用。

Making use of LEO Satellite Six Orbit Parameter we set up differential equations in mixed coordinate system to simplify the calculation of satallite position and velocity vector.This algorithm is applied to hardware-limited onboard controllers.The algorithm,of which the capability and precision have been verified practically,can be used in Data Relay Satellite System.